def _decompress_dir(archive_path, target_path, force=False):
if os.path.exists(target_path):
if force:
log.info("deleting previous dir: %s", target_path)
rmtree_or_file(target_path)
else:
raise AppError("Target already exists: %r" % target_path)
with atomic_output_file(target_path) as temp_dir:
make_all_dirs(temp_dir)
ARCHIVER.unarchive(archive_path, temp_dir)
def checked_remove():
# Never backup links (they are probably previous installs).
if os.path.islink(target_path):
os.unlink(target_path)
elif os.path.exists(target_path):
if force:
if make_backup:
move_to_backup(target_path)
else:
rmtree_or_file(target_path)
else:
raise AppError("Target already exists: %r" % target_path)
